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Guard against carrier being spuriously set down.

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Corrects a possible regression introduced by the previous patch.
This commit is contained in:
Nicholas J. Kain 2022-01-11 22:16:44 -05:00
parent f3766990f9
commit 6047f04a12
1 changed files with 2 additions and 1 deletions
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3
src/ndhc.c
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@ -313,7 +313,8 @@ static void do_ndhc_work(void)
if (pfds[0].revents & POLLIN) { if (pfds[0].revents & POLLIN) {
had_event = true; had_event = true;
sev_nl = nl_event_get(&cs); sev_nl = nl_event_get(&cs);
cs.carrier_up = (sev_nl == IFS_UP); if (!cs.carrier_up)
cs.carrier_up = (sev_nl == IFS_UP);
} }
if (pfds[0].revents & (POLLHUP|POLLERR|POLLRDHUP)) { if (pfds[0].revents & (POLLHUP|POLLERR|POLLRDHUP)) {
suicide("nlfd closed unexpectedly"); suicide("nlfd closed unexpectedly");